gcc/

	* Makefile.in (target-globals.o): Depend on $(RTL_H).
	* rtl.h: (target_rtl): New structure.
	(default_target_rtl): Declare.
	(this_target_rtl): Declare as a variable or define as a macro.
	(global_rtl, pic_offset_table_rtx, return_address_pointer_rtx):
	Redefine as macros.
	* emit-rtl.c (default_target_rtl): New variable.
	(this_target_rtl): New conditional variable.
	(global_rtl, static_regno_reg_rtx, pic_offset_table_rtx)
	(return_address_pointer_rtx): Delete.
	(initial_regno_reg_rtx): New macro.
	(init_emit): Use initial_regno_reg_rtx instead of static_regno_reg_rtx.
	(init_emit_regs): Likewise.
	* target-globals.h (this_target_rtl): Declare.
	(target_globals): Add a rtl field.
	(restore_target_globals): Copy the rtl field to this_target_rtl.
	* target-globals.c: Include rtl.h.
	(default_target_globals): Initialize the rtl field.
	(save_target_globals): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@162088 138bc75d-0d04-0410-961f-82ee72b054a4

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